TM 9-821 2.5 Ton 4 x 2 Truck Model 2G-4X2 (Federal Motor Truck Company) 1943 The truck described in this manual is designed for transporting and unloading sand, gravel, coal, and such commodities peculiar to its bulk cargo handling features. The vehicle is equipped with hydraulically operated metal dump body. It is identified by the two driving wheels, the conventional cab, and the conventional dump body of 2-cubic-yard capacity.